142433100442 has 4 divisors (see below), whose sum is σ = 213649650666. Its totient is φ = 71216550220.

The previous prime is 142433100437. The next prime is 142433100451. The reversal of 142433100442 is 244001334241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 140249501001 + 2183599441 = 374499^2 + 46729^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 142433100442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35608275109 + ... + 35608275112.

Almost surely, 2^142433100442 is an apocalyptic number.

142433100442 is a deficient number, since it is larger than the sum of its proper divisors (71216550224).

142433100442 is an equidigital number, since it uses as much as digits as its factorization.

142433100442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71216550223.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 142433100442 its reverse (244001334241), we get a palindrome (386434434683).

The spelling of 142433100442 in words is "one hundred forty-two billion, four hundred thirty-three million, one hundred thousand, four hundred forty-two".